jewel
noun
[ ˈdʒuːəl ]
• a precious stone, typically a single crystal or piece of a hard lustrous or translucent mineral cut into shape with flat facets or smoothed and polished for use as an ornament.
Similar:
gem,
gemstone,
precious stone,
semi-precious stone,
stone,
brilliant,
baguette,
cabochon,
sparkler,
rock,
bijou,
Origin:
Middle English: from Old French joel, from jeu ‘game, play’, from Latin jocus ‘jest’.